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The Rca is the pinnacle of the research and development in our Project California facility. A refinement of the previous version, the current frameset represents the leading edge of composite material manufacturing and our understanding of what makes a truly inspirational ride. The original Rca was recognized for industry-leading innovation, earning Eurobike Gold, JEC Innovation, Core77 Design, and Bike Radar’s “Most Wanted” awards. Germany’s prestigious Tour Magazin also rated the Rca the lightest frame they’d ever tested, with the highest stiffness-to-weight ratio. The latest iteration of the Rca was an opportunity — as our riders would agree — to improve upon perfection. And of course, it’s still entirely hand-made at Cervélo’s Project California design facility, using new layups, materials and fabrication techniques.
When starting on a second run of the limited-production Rca, we looked hard at areas for potential improvement. And we realized: Why not apply Project California learnings about frames to the fork? The result – as we hoped – was significant weight reduction and an increase in lateral stiffness, as well as a significant decrease in longitudinal stiffness for an unequivocal ride-quality improvement. Thanks to new materials and layup techniques, the new Rca frameset weighs 35 grams less than the classic edition, while maintaining its elegant frame and Squoval tube shapes.
IN THE BEGINING
In 2008 Cervélo began an ambitious engineering project in California to push the composites R&D envelope. This facility is where we prove our leadership in innovating faster, stiffer, lighter and stronger bikes. Here we create new manufacturing techniques and improved design processes, including new bicycle-specific layup and ply analysis software. Our final step: Strength and safety tests that surpass industry standards by at least 20%.
OUR AMBITIONWhen starting on a second run of the limited production Rca, we looked hard at areas for potential improvement. And we realized: Why not apply the Project California learnings about frames to the fork? As we hoped, the result was significant weight reduction and an increase in lateral stiffness, as well as a significant decrease in longitudinal stiffness for an unequivocal ride quality improvement. Thanks to new materials and layup techniques, the new Rca frameset weighs 35 grams less than the classic edition, while maintaining its elegant frame and Squoval tube shapes.
THE BIKESIn 2010 Cervélo launched the R5ca: 100 grams lighter than the nearest competitor, and 30% stiffer (Tour Magazin, Nov. 2011). The R5ca showcased our Project California development process and was the outcome of our reality-based test protocols. It proved itself less than two years after its launch with Ryder Hesjedal’s victory at the 2012 Giro d’Italia. We followed that up with the original Rca in 2012. This new frame weighed in at 667 grams and maintained the stiffness levels of its predecessor.
THE PROCESSFirst, we performed a cross-disciplinary parametric design study to determine the sensitivity of aero, stiffness, comfort and weight to the systematic dimensional variation of 15 different design areas of the frame. This involved creating 93 different frame shapes and running 279 FEA analyses.
DESIGN CYCLESecond, with optimum aero, stiffness, comfort and weight goals firmly in our sights, we began an iterative design process to engineer the firstRca frame shapes. This process is a cycle: design, virtually test, redesign, test again. With eachiteration the new design comes closer and closer to the goals, step by step. We used this same process to improve on the originalRca,and launched a new frame in 2014.
ENGINEERING R&DBicycle engineering and composites are highly dynamic fields. In the two years between the original and the newRcaframes our engineering team researched many new materials and techniques, allowing for new possibilities in structural engineering. We revisited some of the key engineering innovations that made theRca such a spectacular project in the firstplace,and worked to make them even better.
The newRcalayup schedule is the most complex in Cervélo’s history. Where some bike frames involve two dozen steps as most, at Project California we lay over 500 individual pieces of carbon. Each individually cut piece of aerospace-grade carbon fibre is weighed and recorded before it is laid into theRcamoulds. Each completedRcaframe and fork is then weighed before and after paint, and again after final assembly to ensure consistency.
THE PROJECT CALIFORNIA FORK
The Project California engineers have also focused extensively on fork design. As tested in the lab, the California-made fork delivers significant performance improvements: 15% stiffer laterally, and 7% more compliant longitudinally. The new design marries complex shapes and materials. Boron filament increases compression strength at the crown/bearing seat, while carbon septae increase stiffness of the ultralight fork blades. Use of syntactic foam at the brake receiver reduces weight overall without impacting fork strength.
- Tech Specs
Fork Cervélo All Carbon, Tapered RCA Headset FSA IS2 1-1/8 X 1-3/8"
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UK orders are sent using Royal Mail Tracked 48, Royal Mail Recorded or Royal Mail letter post for small, light orders and Parcelforce for heavier, bulky orders. Please allow approx 2-3 days for delivery after the order has been despatched. Large and heavy items, e.g turbo trainers and work stands, will be sent by Parcelforce (UK Mainland only). Overseas orders are sent using Royal Mail International Signed For service and Royal Mail Airsure service (where permitting). Heavier items e.g. bicycles are sent using Parcelforce Worldwide. Delivery times will vary depending on destination, customs clearance, local postal service etc. Please allow up to 14 working days for delivery. Postage costs include Insurance for the value of the order. Bicycles sent within the UK are sent by Parcelforce 48 Hour Service.